
1. Te hanga i raro i te whenua:He hanganga kua tanumia katoatia, me te āheinga ki te taupoki i te whenua hei whakakakariki me te whakapaipai i te whenua.
2. He iti te whakapaunga pūngao me te iti o te haruru:Ka whakamahia ngā pā hau a Haina, he nui te rahinga hau, he iti te whakapaunga hiko, ā, he iti te haruru.
3. Ngā utu whakahaere iti:He iti te utu whakahaere mō ia tana wai, ā, he roa te ora mahi o te rauemi muka karāhe FRP.
4. Mahi aunoa:Te whakamahi i te mana whakahaere aunoa, te mahi aunoa katoa, kāore he tangata, 24 hāora ia rā. He pūnaha aroturuki mamao kua whakawhanakehia motuhake e aroturuki ana i ngā raraunga i te wā tūturu.
5.Teitei o te whakaurunga me te kōwhiringa ngāwari:
· Hoahoa whakauru, hoahoa ngāwari, kōwhiringa ngāwari, wā hanga poto.
· Kāore he take ki te whakaoho i ngā rauemi tangata me ngā rauemi nui ki te papaanga, ā, ka taea e ngā taputapu te mahi pumau i muri i te hanganga.
6. Hangarau matatau me te pānga tukatuka pai:
· Ka whakamahia e ngā taputapu ngā whakakī he nui ake te horahanga mata, ka nui ake te kawenga rōrahi.
· Whakaitihia te rahi o te whenua, kia pakari te pumau o te mahi, ā, kia tutuki i ngā paerewa te pumau o te wai para.
| Te kaha tukatuka (m³/d) | 5 | 10 | 15 | 20 | 30 | 40 | 50 | 60 | 80 | 100 |
| Rahi (m) | Φ2*2.7 | Φ2*3.8 | Φ2.2*4.3 | Φ2.2*5.3 | Φ2.2*8 | Φ2.2*10 | Φ2.2*11.5 | Φ2.2*8*2 | Φ2.2*10*2 | Φ2.2*11.5*2 |
| Taumaha (t) | 1.8 | 2.5 | 2.8 | 3.0 | 3.5 | 4.0 | 4.5 | 7.0 | 8.0 | 9.0 |
| Mana kua tāutahia (kW) | 0.75 | 0.87 | 0.87 | 1 | 1.22 | 1.22 | 1.47 | 2.44 | 2.44 | 2.94 |
| Mana whakahaere(Kw*h/m³) | 1.16 | 0.89 | 0.60 | 0.60 | 0.60 | 0.48 | 0.49 | 0.60 | 0.48 | 0.49 |
| Kounga o te parahanga | COD≤100,BOD5≤20,SS≤20,NH3-N≤8,TP≤1 | |||||||||
Tuhipoka:Hei tohutoro anake ngā raraunga o runga ake nei, me whakaū ngā taha e rua i ngā tawhā me te kōwhiringa, ka taea te whakamahi i ngā huinga, ka taea te whakarite i ētahi atu taumaha kore-paerewa.
He pai mō ngā kaupapa maimoatanga parakaingaki ā-motu i ngā rohe tuawhenua hou, ngā wāhi ataahua, ngā rohe ratonga, ngā awa, ngā hōtēra, ngā hōhipera, me ētahi atu.